html,
body,
#app,
.page {
  overflow-y: hidden !important;
  /* 隐藏滚动条（兼容主流浏览器） */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE 10+ */
}
html::-webkit-scrollbar,
body::-webkit-scrollbar,
#app::-webkit-scrollbar,
.page::-webkit-scrollbar {
  display: none;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
